Question Gpu fan work but no display

[mysteryinf]

My gtx 650 work last time and now its has no POST when i change my motherboard. I try my old gt 210 and it works ,but when i try gtx 650 again, no POST. I think is not a psu prob cuz im using 600w.
-best regard-

 

[Zephyl]

What motherboard are you using? Are there any beeps that sound or lights that turn on upon powering the system on?